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CVE-2026-15217

Estado: AnalizadaAlta (8.7)—

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed cross-site scripting due to improper neutralization of user-controlled values rendered in table cell content by an analytics dashboard component.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

CWE-79 (XSS) en dashboard de analytics de GitLab. Vector CVSS con UI:R y AV:N indica ataque desde navegador. XSS permite ejecutar JavaScript (T1059.007) y potencialmente secuestrar sesiones (T1078).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User TrainingRestrict Web-Based ContentApplication Developer GuidanceActive Directory ConfigurationUser Account ManagementPrivileged Account Management

Tecnologías afectadas (1)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-15217",
  "cveTags": [],
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          "id": "CVE-2026-15217",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-13T14:39:04.917689Z"
        }
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  "affected": [
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          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
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    }
  ],
  "lastModified": "2026-08-19T16:44:03.530",
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